Bar Graph

The vertical bar graph sample shows the serious crime number in Cincinnati from 2001 to 2008. It was designed on the base of the Commons Wikimedia file: Cincinnati-Part-1-Crimes.jpg.
[commons.wikimedia.org/ wiki/ File:Cincinnati-Part-1-Crimes.jpg]
"Before the riot of 2001, Cincinnati's overall crime rate was dropping dramatically and had reached its lowest point since 1992. After the riot violent crime increased. Reflecting national trends, crime rates in Cincinnati have dropped in all categories from 2006 to 2010." [Crime in Cincinnati. Wikipedia]
The column chart example "Serious crime in Cincinnati" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Bar Graphs solution from the Graphs and Charts area of ConceptDraw Solution Park.

This pictorial bar chart sample was redesigned from the Wikimedia Commons file: Barrie Population.jpg.
[commons.wikimedia.org/ wiki/ File:Barrie_ Population.jpg]
"Barrie is a city in Central Ontario, Canada, on the western shore of Lake Simcoe. Although located in Simcoe County, the city is politically independent. Barrie is within the northern part of the Greater Golden Horseshoe, a densely populated and industrialized region of Ontario.
In 2011 census, the city's population was originally reported as 135,711, making it the 34th largest in Canada. The city's 2011 population was subsequently revised to 136,063. The Barrie census metropolitan area (CMA) had a population of 187,013 residents, making it the 21st largest CMA in Canada." [Barrie. Wikipedia]
The picture bar graph example "Barrie population" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Picture Graphs solution from the Graphs and Charts area of ConceptDraw Solution Park.

This horizontal bar graph sample shows distribution of European Programme for Intervention Epidemiology Training (EPIET) fellows by country of origin in 1995-2005. It was designed on the base of the bar chart from the website of the Field Epidemiology Manual (FEM) Wiki, the European Programme for Intervention Epidemiology Training (EPIET).
"The simplest bar graph displays data from a table with one variable. Each bar represents one category. Bar graphs can be organised horizontally or vertically. Vertical bars differ from histograms since they are separated by a space. The height of the bar is proportional to the number of events (e.g. cases) in the category, nevertheless the surface is not always proportional to the width of the category on the x-axis (e.g. different width of age groups). If there is a logical order between categories it should be respected. Otherwise categories can be organised along decreasing or increasing values of respective bars. Variables in a bar graph can be discrete (e.g. sex, region, race) or continuous (e.g. age) but organised in categories (e.g. age groups). The x axis does not need to be continuous." [wiki.ecdc.europa.eu/ fem/ w/ wiki/ bar-graphs]
The bar chart example "EPIET fellows by country of origin" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Bar Graphs solution from the Graphs and Charts area of ConceptDraw Solution Park.

The vector stencils library "Composition charts" contains 6 templates: 2 pie charts, 2 divided bar charts and 2 double divided bar charts.
The vector stencils library "Composition indicators" contains 6 templates of visual indicators.
Use these design elements to visualize composition comparison of your data in your visual dashboard created using the ConceptDraw PRO diagramming and vector drawing software.
"A pie chart (or a circle graph) is a circular chart divided into sectors, illustrating numerical proportion. In a pie chart, the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it represents. While it is named for its resemblance to a pie which has been sliced, there are variations on the way it can be presented. ...
An obvious flaw exhibited by pie charts is that they cannot show more than a few values without separating the visual encoding (the “slices”) from the data they represent (typically percentages). When slices become too small, pie charts have to rely on colors, textures or arrows so the reader can understand them. This makes them unsuitable for use with larger amounts of data. Pie charts also take up a larger amount of space on the page compared to the more flexible alternative of bar charts, which do not need to have separate legends, and can also display other values such as averages or targets at the same time. ...
Most subjects have difficulty ordering the slices in the pie chart by size; when the bar chart is used the comparison is much easier. Similarly, comparisons between data sets are easier using the bar chart. However, if the goal is to compare a given category (a slice of the pie) with the total (the whole pie) in a single chart and the multiple is close to 25 or 50 percent, then a pie chart can often be more effective than a bar graph." [Pie chart. Wikipedia]
The example "Design elements - Composition charts and indicators" is included in the Composition Dashboard solution from the area "What is a Dashboard" of ConceptDraw Solution Park.